Aquabis(1H-benzimidazole-2-carboxylato-κ2 O,N 3)zinc(II)

In the title compound, [Zn(C8H5N2O2)2(H2O)], the ZnII ion is coordinated in each case by a carboxylate O atom and an imidazole N atom from two different benzimidazole-2-carboxylate (BIC) ligands and one water O atom in a trigonal-bipyramidal geometry. In the complex molecule, the two benzimidazole planes are twisted, making a dihedral angle of 55.93 (11)°. The three-dimensional framework is organized by intermolecular N—H⋯O hydrogen bonding and O—H⋯O interactions and π–π interactions between adjacent benzimidazole rings [centroid–centroid distance = 3.586 (3) Å].

[1]  Rangappa S. Keri,et al.  Synthesis and evaluation of in vitro anti-microbial and anti-tubercular activity of 2-styryl benzimidazoles. , 2009, European journal of medicinal chemistry.

[2]  Xiu-Mei Li,et al.  catena‐Poly[[(2,2′‐bipyridine‐κ2N,N′)zinc(II)]‐μ‐imidazole‐4,5‐dicarboxylato‐κ4N1,O5:N3,O4] , 2007 .

[3]  Hongshan He.  [Hydridotris(5-methyl-3-phenyl­pyrazol-1-yl)borato-κ3N2,N2′,N2′′](1H-imidazole-4-carboxyl­ato-κ2N,O)zinc(II) methanol solvate , 2006 .

[4]  R. Zou,et al.  Diaqua­bis(5-carb­oxy-1H-imidazole-4-carboxyl­ato-κ2N,O)zinc(II)–4,4′-bipyridine (1/1) , 2006 .

[5]  Xiangang Lin.  catena-Poly[[aqua­(μ-5-carboxy­imidazole-4-carboxyl­ato-κ4N3,O4:N1,O5)zinc(II)] hemihydrate] , 2006 .

[6]  Ji‐Wei Liu,et al.  catena-Poly­[[bis(1H-benz­imidazole-κN3)­zinc(II)]-μ-3-carboxy­phenoxy­acetato-κ2O:O′] , 2005 .

[7]  Ji‐Wei Liu,et al.  Di­aqua­bis(5‐carboxy‐1H‐imidazole‐4‐carboxyl­ato‐κ2N3,O4)­zinc(II) , 2004 .

[8]  Ji‐Wei Liu,et al.  A two-dimensional manganese(II) coordination polymer: poly[[diaquamanganese(II)]-mu-4,4-bipyridine-kappa(2)N:N'-mu-(p-phenylenedioxydiacetato)-kappa2O:O']. , 2004, Acta crystallographica. Section C, Crystal structure communications.

[9]  Y. Adachi,et al.  A new insulin-mimetic bis(allixinato)zinc(II) complex: structure–activity relationship of zinc(II) complexes , 2004, JBIC Journal of Biological Inorganic Chemistry.

[10]  H. Sakurai,et al.  New insulinomimetic zinc(II) complexes of alpha-amino acids and their derivatives with Zn(N2O2) coordination mode. , 2001, Chemical & pharmaceutical bulletin.

[11]  G. Sheldrick.  A short history of SHELX. , 2008, Acta crystallographica. Section A, Foundations of crystallography.

[12]  A. W. Addison,et al.  Synthesis, structure, and spectroscopic properties of copper(II) compounds containing nitrogen–sulphur donor ligands; the crystal and molecular structure of aqua[1,7-bis(N-methylbenzimidazol-2′-yl)-2,6-dithiaheptane]copper(II) perchlorate , 1984 .